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/* LAN_discovery.h
*
* LAN discovery implementation.
*
* Copyright (C) 2013 Tox project All Rights Reserved.
*
* This file is part of Tox.
*
* Tox is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Tox is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Tox. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef LAN_DISCOVERY_H
#define LAN_DISCOVERY_H
#include "DHT.h"
/* Interval in seconds between LAN discovery packet sending. */
#define LAN_DISCOVERY_INTERVAL 10
/* Send a LAN discovery pcaket to the broadcast address with port port. */
int send_LANdiscovery(uint16_t port, DHT *dht);
/* Sets up packet handlers. */
void LANdiscovery_init(DHT *dht);
/* Clear packet handlers. */
void LANdiscovery_kill(DHT *dht);
/* Is IP a local ip or not. */
_Bool Local_ip(IP ip);
/* checks if a given IP isn't routable
*
* return 0 if ip is a LAN ip.
* return -1 if it is not.
*/
int LAN_ip(IP ip);
#endif
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